import * as React from 'react';

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: 'default' | 'destructive' | 'outline' | 'secondary' | 'ghost' | 'link';
  size?: 'default' | 'sm' | 'lg' | 'icon';
}

const variantClasses: Record<string, string> = {
  default: 'bg-primary text-primary-foreground hover:bg-primary/90',
  destructive: 'bg-destructive text-destructive-foreground hover:bg-destructive/90',
  outline: 'border border-input bg-background hover:bg-accent hover:text-accent-foreground',
  secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80',
  ghost: 'hover:bg-accent hover:text-accent-foreground',
  link: 'text-primary underline-offset-4 hover:underline',
};

const sizeClasses: Record<string, string> = {
  default: 'h-9 px-4 py-2',
  sm: 'h-8 rounded-md px-3 text-xs',
  lg: 'h-10 rounded-md px-8',
  icon: 'h-9 w-9',
};

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant = 'default', size = 'default', ...props }, ref) => {
    const base =
      'inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring/40 disabled:pointer-events-none disabled:opacity-60';
    const cls = [base, variantClasses[variant] ?? '', sizeClasses[size] ?? '', className ?? ''].join(' ');
    return <button className={cls} ref={ref} {...props} />;
  },
);
Button.displayName = 'Button';

export { Button };